125123388 has 24 divisors (see below), whose sum is σ = 314413008. Its totient is φ = 38499456.

The previous prime is 125123357. The next prime is 125123437. The reversal of 125123388 is 883321521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400881 + ... + 401192.

It is an arithmetic number, because the mean of its divisors is an integer number (13100542).

Almost surely, 2^125123388 is an apocalyptic number.

It is an amenable number.

125123388 is an abundant number, since it is smaller than the sum of its proper divisors (189289620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125123388 is a wasteful number, since it uses less digits than its factorization.

125123388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802093 (or 802091 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 125123388 is about 11185.8566055533. The cubic root of 125123388 is about 500.1644632311.

The spelling of 125123388 in words is "one hundred twenty-five million, one hundred twenty-three thousand, three hundred eighty-eight".